The SpectrAlert Advance HRK-R (replacement model) is a red, 12/24-volt horn for outdoor ceiling or wall installation. Offers mounting plate only - no back box included.
System Sensor® SpectrAlert® Advance selectable-output horns, strobes and horn/strobes are rich with features guaranteed to cut installation times and maximize profits.
This best-of-breed mixer amplifier comes with 3-level priority with mute function, 7-band graphic equaliser and 5-zone remote paging microphone. It can be extended by adding an audio mixer and power a